6631022 has 4 divisors (see below), whose sum is σ = 9946536. Its totient is φ = 3315510.

The previous prime is 6631021. The next prime is 6631033. The reversal of 6631022 is 2201366.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2201366 = 2 ⋅1100683.

It is a junction number, because it is equal to n+sod(n) for n = 6630985 and 6631003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6631021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1657754 + ... + 1657757.

It is an arithmetic number, because the mean of its divisors is an integer number (2486634).

Almost surely, 2^6631022 is an apocalyptic number.

6631022 is a deficient number, since it is larger than the sum of its proper divisors (3315514).

6631022 is a wasteful number, since it uses less digits than its factorization.

6631022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315513.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 6631022 is about 2575.0770862248. The cubic root of 6631022 is about 187.8711770254.

Adding to 6631022 its reverse (2201366), we get a palindrome (8832388).

The spelling of 6631022 in words is "six million, six hundred thirty-one thousand, twenty-two".